137980263 has 8 divisors (see below), whose sum is σ = 184167808. Its totient is φ = 91889784.

The previous prime is 137980259. The next prime is 137980267. The reversal of 137980263 is 362089731.

137980263 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (137980259) and next prime (137980267).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 137980263 - 2² = 137980259 is a prime.

It is the 11747-th Hogben number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137980267) by changing a digit.

It is a nontrivial repunit in base 11746.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20881 + ... + 26682.

It is an arithmetic number, because the mean of its divisors is an integer number (23020976).

Almost surely, 2^137980263 is an apocalyptic number.

137980263 is a deficient number, since it is larger than the sum of its proper divisors (46187545).

137980263 is an equidigital number, since it uses as much as digits as its factorization.

137980263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48533.

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 137980263 is about 11746.5000319244. The cubic root of 137980263 is about 516.7402878557.

The spelling of 137980263 in words is "one hundred thirty-seven million, nine hundred eighty thousand, two hundred sixty-three".